▸Orbital parameters

Orbit class	VLEO
Inclination	53.0188°
Eccentricity	0.0006975
Period	87.4 min
Apogee	151 km
Perigee	142 km
Mean motion	16.47133044 rev/day
RAAN	135.3951°
Arg of perigee	222.2617°
Mean anomaly	137.7896°
B*	2.3240e-4
Rev at epoch	29,898

▸Two-line element set (TLE)

EPOCH Jun 28, 2026SOURCE CelesTrakDERIVED pre-reentryUPDATED Jul 7, 2026

This object is recorded as DECAYED (re-entered). These are the last known elements before re-entry — not a current orbit.

1 47587U 21009AR 26179.11798536 .12718798 12474-4 23240-3 0 9997

2 47587 53.0188 135.3951 0006975 222.2617 137.7896 16.47133044298984

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-1991",
  "OBJECT_ID": "2021-009AR",
  "EPOCH": "2026-06-28T02:49:53.935+00:00",
  "MEAN_MOTION": 16.47133044,
  "ECCENTRICITY": 0.0006975,
  "INCLINATION": 53.0188,
  "RA_OF_ASC_NODE": 135.3951,
  "ARG_OF_PERICENTER": 222.2617,
  "MEAN_ANOMALY": 137.7896,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 47587,
  "REV_AT_EPOCH": 29898,
  "BSTAR": 0.0002324,
  "MEAN_MOTION_DOT": 0.12718798,
  "MEAN_MOTION_DDOT": 0.000012474
}

Reconstructed from CelesTrak OMM mean-elements (element-set number is a placeholder). TLE/OMM data is approximate. Not for operational use or collision avoidance.

▸Satellite metadata

Name	STARLINK-1991
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Feb 4, 2021HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	260HIGHvia GCAT — Jonathan McDowell's General Catalog
Mission purpose	—
Object class	PAYLOADHIGH

▸Data quality

Score70 / 100

Claims8

Sources1

▸Sources

GCAT — Jonathan McDowell's General CatalogCC BY 4.0planet4589.org

▸Actions

GET /api/v1/satellites/47587

//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.